Base for photovoltaic systems V20 and V25 U-3PH

Item no. 5096626 | EAN 4012195447979

Product description

Product description

V 20-C/U...: Base for photovoltaic systems (Δ-circuit)

• Suitable for V 50-B+C and V25-B+C covers, types 1+2, combination arresters
• Suitable for V 20-C covers, type 2, surge arresters
• Protection circuit against transverse and longitudinal voltages
• Δ-circuit
• Low DC voltage protection level: < 2.4 kV (Voc max = 745V DC with V20-C/0-550)
• Low DC voltage protection level: < 1.5 kV (Voc max = 505V DC with V25-B+C/0-385)
• Low DC voltage protection level: < 1.3 kV (Voc max = 350V DC with V50-C/0-280)
• Labelled connections

Application: In photovoltaic systems between PV modules and inverters.
V 20-C/U-3: Base

• Suitable for V 25-B+C or V 20-C
• Labelled connections
• For Y circuits in PV systems
(With cover V20-C/0-440; Voc suitable to 1,000 V DC)
(With cover V25-B+C/0-385; Voc suitable to 800 V DC)
(Switching of the base: L1 terminal=Plus; L2 terminal=Earth; L3 terminal=Minus; Earthing terminal=Free)

Application: In photovoltaic systems between PH modules and inverter.

  • 5-year warranty
  • Communautés Européennes, EC declaration of conformity according to EC directives
  • Combination protection device made of type 1 and type 2
  • Protection device to DIN EN 61643-11 or IEC 61643-11
  • Transition from LPZ 0 to LPZ 1
  • Transition from LPZ 1 to LPZ 2
  • Installation electrotechnical expertise
Technical data

Technical data

Conductor cross-section, rigid (single-wire/multiwire), max. 35 mm²
Conductor cross-section, rigid (single-wire/multiwire), min. 2,5 mm²
Dimension 3-PH
Operating temperature, max. 80 °C
Operating temperature, min. -40 °C
Pole version 3
Protection rating IP20
Remote signalling no
Signalling on device None
Version for 3-pin for photovoltaic
All types

All types

Types Item no. Quantity SSU
V20-C U-3PH 5096626
1 piece
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Declaration of conformity V20-C U-3PH / 5096626 , 0.10MB , pdf
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